mongo/jstests/core/regexa.js

20 lines
391 B
JavaScript

// Test simple regex optimization with a regex | (bar) present - SERVER-3298
t = db.jstests_regexa;
t.drop();
function check() {
assert.eq(1, t.count({a: /^(z|.)/}));
assert.eq(1, t.count({a: /^z|./}));
assert.eq(0, t.count({a: /^z(z|.)/}));
assert.eq(1, t.count({a: /^zz|./}));
}
t.save({a: 'a'});
check();
t.ensureIndex({a: 1});
if (1) { // SERVER-3298
check();
}